Remove read topic from DDS
问题 I have a problem with subscribing the data (using the java platform). When a subscriber subscribes to a topic, that subscribed data must be removed from the DDS. But in my case whenever I subscribe to the data the same data is subscribed many times. The data is not removed from the DDS. I tried with QoS but I don't know how to use it. Please suggest how I can remove the read data from the DDS. 回答1: This behavior is not caused by your QoS settings, but by your method of accessing the